By Cap Barbell The boxed nylon lat pull was designed to develop the abdominal muscles. With neoprene handles for maximum comfort, the double handle is perfect for ab crunches. Strength training refers to the usage of various equipment, such as benches, weight sets, dumbbells, weighted vests, etc. to add resistance to exercise. Strength training brings about a great many benefits, such as: thicker, stronger bones (important for women 30 years of age and up - reducing/eliminating chance of osterioperosis), increased strength/muscle tissue, increase of 'good cholesterol', improved joint function, fat loss, weight (muscle) gain, tougher tendoms and ligaments, and finally, excellent cardiovascular fitness. This type of conditioning also significantly reduces stress, increases energy level and reduces the chance of injury and disease(allows the body to function properly). more info